Regularization method for solution of integral equation of laser intensity modulation method (LIMM) and its experimental verification

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Abstract

The laser intensity modulation method (LIMM) was developed for the determination of the spatial distribution of polarization through the thickness of a ferroelectric sample. One of the major drawbacks in the analysis of LIMM measurements is the necessity of solving a Fredholm integral equation of the first kind using experimental data. This is an ill-posed problem which can inherently yield a number of solutions, each of which satisfies the measured data to within experimental accuracy. A technique has been developed for solving this class of equations by a modification of the regularization method. The method has been verified by experimental measurements on multilayer samples composed of two or three sheets of polyvinylidene fluoride, poled in either a positive or a negative direction, or unpoled.

Original languageEnglish
Title of host publication90 IEEE 7 Int Symp Appl Ferroelectr
PublisherInstitute of Electrical and Electronics Engineers
Pages374-377
Number of pages4
ISBN (Print)0780301900
StatePublished - 1 Dec 1992
Event1990 IEEE 7th International Symposium on Applications of Ferroelectrics - Champaign, IL, USA
Duration: 6 Jun 19908 Jun 1990

Publication series

Name90 IEEE 7 Int Symp Appl Ferroelectr

Conference

Conference1990 IEEE 7th International Symposium on Applications of Ferroelectrics
CityChampaign, IL, USA
Period6/06/908/06/90

ASJC Scopus subject areas

  • General Engineering

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